18878161696

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{1619}}^1\times {\mathrm{3343}}^1$

素因数の和:5081

約数の個数: 48

約数和(自身を含む): 37541750400

約数和(自身を除く): 18663588704

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1619, 1744, 3238, 3343, 3488, 6476, 6686, 12952, 13372, 25904, 26744, 51808, 53488, 106976, 176471, 352942, 364387, 705884, 728774, 1411768, 1457548, 2823536, 2915096, 5412317, 5647072, 5830192, 10824634, 11660384, 21649268, 43298536, 86597072, 173194144, 589942553, 1179885106, 2359770212, 4719540424, 9439080848, 18878161696]

約数ペア:

[(1, 18878161696), (2, 9439080848), (4, 4719540424), (8, 2359770212), (16, 1179885106), (32, 589942553), (109, 173194144), (218, 86597072), (436, 43298536), (872, 21649268), (1619, 11660384), (1744, 10824634), (3238, 5830192), (3343, 5647072), (3488, 5412317), (6476, 2915096), (6686, 2823536), (12952, 1457548), (13372, 1411768), (25904, 728774), (26744, 705884), (51808, 364387), (53488, 352942), (106976, 176471)]